Hearing Conservation
for Process Operations.
Reactor noise, pump rooms, and chemical compatibility constraints. Your hearing conservation program must handle the complexity of continuous-process manufacturing.
433
Companies tracked
88–110
dBA process range
0.68%
Avg injury rate
1,538
Total HL cases
Independent 1910.95 Audit
Third-Party Reviewed
FDA Registered
Class II Medical Device
SOC 2 Type II
AICPA Certified
HIPAA Compliant
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Engineered & Built
The Reality on the Floor
Why Traditional Testing Fails in Chemical Manufacturing
Continuous processes, chemical HPD constraints, and unpredictable noise events make annual snapshots dangerously incomplete.
Reactor Vessels and Pump Rooms Exceed the PEL
Chemical reactors, high-pressure pumps, and centrifuge operations produce sustained noise above 90 dBA. Workers in these areas need mandatory HPD and documented exposure monitoring.
Chemical Compatibility Limits HPD Options
Standard foam earplugs degrade in solvent-rich environments. HPD selection must account for chemical exposure, heat, and hygiene requirements - narrowing the choices significantly.
Process Upsets Create Unpredictable Noise Spikes
Pressure relief events, emergency venting, and equipment malfunctions generate impulse noise that no annual survey captures. Continuous monitoring is the only way to document these events.
PSM + OSHA + EPA Compliance Stack
Chemical plants operate under OSHA Process Safety Management (PSM), EPA Risk Management Plans, and 1910.95 hearing conservation simultaneously. Gaps in one system create findings in all three.
Built for Your Operations
How Soundtrace Fits Into Chemical Manufacturing
Test During Turnarounds and Shift Changes
6 min
per test
6-minute audiometric tests that fit into maintenance windows and shift transitions. No production disruption.
Track Exposure by Process Unit
Per
unit tracking
Personal dosimetry linked to specific reactor areas, pump rooms, and process units. Know exactly where exposure accumulates.
Verify Chemical-Compatible HPD Fit
Real
NRR verification
Fit testing for specialty HPDs that withstand solvent exposure, heat, and hygiene requirements while providing adequate attenuation.
Integrated PSM + HCP Records
30+
year retention
Hearing conservation records alongside process safety documentation. One platform for 30+ year retention across all regulatory requirements.
Know Your Exposure
Typical Noise Levels in Chemical Plants
Pump rooms and compressor houses routinely exceed the PEL. Process upsets create impulse events that annual surveys never capture.
Agitation and exothermic reactions
High-pressure centrifugal pumps
Sustained high-frequency noise
Gas compression operations
Often excluded from monitoring
Below action level
How Loud Is That?
60 dB
Normal conversation
85 dB
OSHA action level
110 dB
Rock concert
130 dB
Jet takeoff (300ft)
OSHA ITA Data
Hearing Loss Trends in Chemical Manufacturing (NAICS 325)
OSHA Injury Tracking Application (ITA) reported hearing loss cases across 433 chemical manufacturing companies, 2016\u20132024.
433
Companies
Across chemicals mfg
1,538
Total HL Cases
2016–2024 combined
0.68%
Avg Injury Rate
Cases ÷ employees
Compliance Context
Navigating PSM + OSHA in Chemical Manufacturing
Chemical manufacturing operates under multiple overlapping safety frameworks.
OSHA 29 CFR 1910.95
Full hearing conservation program for all process and maintenance workers exposed at or above 85 dBA TWA.
OSHA PSM (1910.119)
Process Safety Management audits review worker health records. Incomplete hearing conservation data becomes a PSM finding.
EPA RMP Overlap
EPA Risk Management Plans require documentation of worker safety measures. Hearing conservation gaps create cross-regulatory audit exposure.
Go Deeper
Chemical Manufacturing Resources
Related Features
Testing during turnarounds and shift changes
Continuous dosimetry for reactor and pump areas
30-year retention for PSM + OSHA audits
Verify chemical-compatible HPD attenuation
Real results from Soundtrace customers across industries
Your Processes Run Continuously.
Your Compliance Data Should Too.
See how Soundtrace fits into chemical manufacturing - reactor to packaging, every process unit, every worker.